... ; band width-16mm 3.Color: blue, red, black, etc. 13.56MHz Mifare RFID wristband with 1k Byte Memory 1. Waterproof, dampproof., Quakeproof, high temperature resist 2 ... type wrist band, flexible, convenientRFID Silicon wristband flexile and steady in use, waterproof, used for swimming pool, amusement park.The wristband ...